[Users] Problem with tutorial

Julia Speicher j.i.speicher at uva.nl
Fri Nov 14 05:27:58 CST 2025


Hello,
I am new to the Einstein toolkit, so I wanted to go through the tutorial first. Unfortunately, I do not get beyond the step of building the Einstein toolkit:
%%bash
./simfactory/bin/sim build -j2 --thornlist thornlists/einsteintoolkit.th

I attached the output as a text file due to its length. The output ends with:
/usr/bin/ld: /usr/local/lib/../lib/libadios2_cxx11_mpi.so.2.10: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[1]: *** [/home/j/Cactus/lib/make/make.configuration:150: /home/j/Cactus/exe/cactus_sim] Error 1
make: *** [Makefile:265: sim] Error 2

After this cell, I cannot proceed further since the executable "cactus_sim" was not created.
The step of building the Einstein toolkit assumes that SimFactory has been set up successfully. The step for configuring it,
%%bash
./simfactory/bin/sim setup-silent
Gives the output:

Here we will define some necessary Simulation Factory defaults.


Determining local machine name: et-juphub

--------------------SUMMARY--------------------:


[default]
user            = j
email           = j
allocation      = NO_ALLOCATION


------------------END SUMMARY------------------:

Contents successfully written to /home/j/Cactus/repos/simfactory2/etc/defs.local.ini

I am running the web-based tutorial, so I thought just running the Jupyter notebook cells would suffice (I tried restarting the kernel, but this did not help).
Do you know how I could resolve this error?
Thank you very much for your help, and best wishes,
Julia
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